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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/21132

    Título
    Flavour characteristics of Spanish and Iranian saffron analysed by electronic tongue
    Autor
    Heidarbeigi, Kobra
    Mohtasebi, Seyed Saeid
    Serrano Diaz, Jessica
    Medina Plaza, CristinaAutoridad UVA
    Ghasemi-Varnamkhasti, Mahdi
    Alonso, Gonzalo
    Garcia Rodriguez, Maria del Valle
    Rafiee, Shahin
    Rezaei, Karamatollah
    García Hernández, CeliaAutoridad UVA
    Saja Saez, José Antonio DeAutoridad UVA Orcid
    Rodríguez Méndez, María LuzAutoridad UVA Orcid
    Año del Documento
    2016
    Editorial
    Wageningen Academic Plubishers
    Descripción
    Producción Científica
    Documento Fuente
    Quality Assurance and Safety of Crops & Foods, July 2016, vol. 8, n. 3, p. 359-368
    Resumen
    In this study, a portable electronic tongue was developed and successfully used to distinguish and to discriminate quality of saffron samples. The proposed system consisted of an array of voltammetric sensors based on screen-printed electrodes (SPE), where the working electrodes were of different chemical natures (e.g. carbon, gold and modified carbon electrode). Moreover, the carbon electrodes were chemically modified by electrocatalytic copper phthalocyanine derivatives. The electrodes were immersed in saffron infusions to produce complex voltammetric curves that were characterised for each saffron sample. The electrochemical signals provided by the array showed good correlations with the data obtained from traditional chemical analysis, in particular with the kaempferol, a flavonol with antioxidant activity. The calibration model was optimised using more meaningful description of factors. Finally, discriminant analysis showed that the proposed e-tongue based on SPEs modified with phthalocyanine is useful for discrimination of saffron samples with different qualities. All of these results reveal that proposed e-tongue has a high potential for saffron quality control due to its very simple sample preparation and also its fast response.
    Materias (normalizadas)
    Electronic tongue
    Saffron
    Screen printed electrode
    Principal component analysis
    ISSN
    1757-837X
    Revisión por pares
    SI
    DOI
    10.3920/QAS2015.0591
    Patrocinador
    University of Tehran
    Iranian Ministry of Science
    Research and Technology and Spanish Ministry of Science and Innovation
    MICCIN (Madrid)
    Ministerio de Economía, Industria y Competitividad – FEDER (Grant CICYT AGL2012-33535)
    Junta de Castilla y León (programa de apoyo a proyectos de investigación - Ref. VA-032U13)
    University of Valladolid (PIF-UVa)
    Version del Editor
    https://www.qascf.com/index.php/qas/article/view/233
    Propietario de los Derechos
    Wageningen Academic Plubishers
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/21132
    Derechos
    embargoedAccess
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    • BioEcoUVa - Artículos de revista [195]
    • DEP63 - Artículos de revista [322]
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    Nombre:
    2016_roofs AzafranKobra_Quality assurance crops.pdfEmbargado hasta: 2036-01-01
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    1.794Mb
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    Universidad de Valladolid

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